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Finding the Fourth Proportional to 117,274.78, 175,895.16 and 38,392.12

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Solution

The fourth proportional to 117,274.78, 175,895.16 and 38,392.12 is: 57,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,274.78 : 175,895.16 = 38,392.12 : x
  2. Step 2: Convert to fraction form
    117,274.78/175,895.16 = 38,392.12/x
  3. Step 3: Cross multiply
    117,274.78x = 175,895.16 × 38,392.12
  4. Step 4: Simplify right side
    117,274.78x = 6,752,988,090.14
  5. Step 5: Solve for x
    x = 6,752,988,090.14/117,274.78
  6. Step 6: Final answer
    x = 57,582.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.